Immune system is the body defense mechanism against diseases. You can imagine it like a battle where the immune system in the army, the virus is the invaders and the battlefield is your body so the sneezing, the coughing, the congestion and the fever are  your immune system ways to defect the virus causing the flu.

Here are some method in prompting your immune system generally:

• Eat a lot of green food, vegetables and fruits contain antioxidants, antioxidants are good substances which help your immune system functions. Also vegetables and fruits contains a lot of vitamins and minerals which important to your metabolism and cellular functions. also some vitamins and minerals like vitamin C , D and zinc are good to your immune system.
• Exercise regularly, exercising enhance your blood circulation, improve your heart and lung function and increase blood flow to your organs. When your organs get a good blood exchange they get also the white blood cells and other immunity cells that defend against infection.
• Have a good sleep every night, rhythmic cyclic sleep allows the body to secrete hormones regularly and that improve immune function.
• Ease your mind, stress is a major factor affecting the immune system. stress and depression could decrease immune system function and make it more vulnerable to diseases. So when you feel stressed out or depressed try  take to someone, go out with your friends, treat your self with something good and you may also try some exercise,  as exercise secrets endorphins which is  brain happiness hormones .

And here are some methods to prompt your immune system during the attack:

• Eat some special immune prompting stuff like garlic which contains antibacterial, antiviral and anti-fungal agents. Garlic also known as a very good immune stimulant.  It was told that the Pharaohs was taking daily supplement of garlic while they have been building the great pyramids. Onion is a close relative to garlic . it has also immune prompting qualities. Lemon and other citrus fruits are very good immune helper as they contain vitamin C.
• Eat high protein diet. Immunoglobulins, other white blood cells and other immune secreted weapons are made of proteins and while you are ill immune system consume big amount of proteins from your body storage.
• Have a 30 minutes walk every day, walking is great because it has the benefits of the exercise without making your body tired. Even when you are sick you still can walk a little to improve your circulation.
• Have a good rest specially in the first 2 days of symptoms, it will help your body to heal quicker and direct all its resources to fight the flu.

The main issue with the flu is there is no definite treatment. there is no pill you will take that will make the flu magically. The pharmacological medication of the flu are either symptomatolytic or antiviral. Symptomatolytics relieve the symptoms only and don’t cure the etiology. The antivirals actually help your immune system to kill the virus bodies, its not safe to use without your doctor consult. The best thing to do is boosting your immune system and help it to eliminate the virus.